iwlwifi: EEPROM version for 1000 and 6000 series

Update EEPROM version requirement for 1000 and 6000 series of NIC
for EEPROM version verification.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>